All stories — Page 3

31 Mar 2026

Sensor chip signs photos and audio to fight deepfakes

Researchers at ETH Zurich built a sensor chip that cryptographically signs images, video and audio at capture. The signature shows the device, time and if a file was altered; a prototype exists and needs more work.

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31 Mar 2026

Highly processed foods are almost always in binge eating

A review of research finds that highly processed foods appear in most binge-eating episodes, while minimally processed foods are rare. The authors say this pattern could change prevention and treatment and appears in a specialist journal.

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31 Mar 2026

Cyber risks to US infrastructure as strikes on Iran continue

As US strikes on Iran continue, experts warn of possible retaliatory cyberattacks on essential US infrastructure. Alex K. Jones reviewed the risks, naming water systems, power grids and the possible future effect of quantum computing.

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29 Mar 2026

Community micro-hydropower in the Dominican Republic

Micro- and mini-hydropower help bring electricity to remote mountain communities in the Dominican Republic. Community projects, led by locals and supported by programmes, lower costs and use solar hybrids when water is low.

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28 Mar 2026

Khadija Haidary’s letters reach readers in China

Khadija Haidary’s month-long email correspondence was translated and published on WeChat in October 2024 and later became a book. Chinese readers responded with quiet, individual acts of support as her story highlighted restrictions on Afghan women after 2021.

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28 Mar 2026

Plants slow growth quickly by changing enzyme activity

Researchers found that plants can slow growth immediately when they face sudden stress. Enzymes already in plant cells are modified so leaves react fast, and later the plant makes longer-term changes to survive.

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28 Mar 2026

How horses make a two‑tone whinny

Researchers discovered that a horse’s whinny has a low tone from vocal‑fold vibration and a high tone from a laryngeal whistle. Experiments with air and helium helped prove the two different sound sources.

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28 Mar 2026

Brain reactions to mistakes predict later avoidance

A Texas A&M research team found that how people respond emotionally to mistakes can predict whether they avoid uncomfortable situations later. The team measured brain responses after errors and again one year later.

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28 Mar 2026

GLP‑1 drugs may reduce substance use and harms

Researchers found that GLP‑1 receptor agonist drugs, used for type 2 diabetes and weight loss, were linked to lower risk of substance use disorders and fewer severe harms in US veterans. The team calls for clinical trials.

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28 Mar 2026

Alternative medicine linked to lower breast cancer survival

A Yale analysis found that patients who used only complementary and alternative medicine had much lower survival for breast cancer. Combining alternative and traditional care was also linked to worse outcomes.

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28 Mar 2026

Smoking may speed eye aging and lead to AMD

A new study shows cigarette smoke can accelerate aging in retinal cells and may help cause age-related macular degeneration (AMD). Researchers used experiments in mice and tests of donated human eye cells to find shared gene changes.

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28 Mar 2026

Disposable gloves can cause false microplastic counts

University of Michigan researchers found that coatings on disposable nitrile and latex gloves can leave stearate residues that look like microplastics. The contamination can affect filters and slides used for air, water and other samples.

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